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Upgrade to 1.21.0 to check the AWS MWS auth token validity right in M2E Pro. This way you'll see if the token update was successful or you need to re-get it.
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Upgrade to 1.21.0 to check the AWS MWS auth token validity right in M2E Pro. This way you'll see if the token update was successful or you need to re-get it.
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